Home / 4,783.52-7,175.28-1,321.04

Finding the Fourth Proportional to 4,783.52, 7,175.28 and 1,321.04

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Solution

The fourth proportional to 4,783.52, 7,175.28 and 1,321.04 is: 1,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.52 : 7,175.28 = 1,321.04 : x
  2. Step 2: Convert to fraction form
    4,783.52/7,175.28 = 1,321.04/x
  3. Step 3: Cross multiply
    4,783.52x = 7,175.28 × 1,321.04
  4. Step 4: Simplify right side
    4,783.52x = 9,478,831.89
  5. Step 5: Solve for x
    x = 9,478,831.89/4,783.52
  6. Step 6: Final answer
    x = 1,981.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.